PANAMA CHRISTIAN ACADEMY PRE-ALGEBRA FINAL TEST

1. Which property is illustrated by the following statement? 

 $(3+4)+5=3+(4+5)$  

• Associative Property of Addition

• Commutative Property of Addition

Which property is illustrated by the following statement? 

 $2y\ \left(7\right)=\left(7\right)2y$  

• Associative Property of Multiplication

• Commutative Property of Multiplication

Evaluate 6b when b = –2

• 4

• –12

• 2

• none of these

A mathematical expression containing numbers, variables, and operational symbols is an algebraic expression?

• True

• False

Which term is not a like term with the others?

• 3x²y⁴

• -4x²y⁴

• 2x²y

• They are all like terms.

Solve for a

 $a+6=–2$  

• –8

• 8

• –3

• 3

Solve for s

 $–5s=9$  

• –45

• 45

•  $\frac{9}{5}$  

•  $-\frac{9}{5}$  

Which property is illustrated by the following statement

 $a(b+c)=(b+c)a$  

• Associative Property of Addition

• Commutative Property of Addition

Terms are separated by a plus or minus sign.

• True

• False

The expression 4x³ - 8x + 6 has

• 4 terms

• 3 terms

• 2 terms

• 1 terms